BBB does not boot after dtbo modification...

[Miguel Fernando Arias Perdomo]

Hi there, 

I do not speak English so... sorry in advance...

Basically, I  need to set up this (pins ??.. I do not know how is the right way to refer it) in this mode...

Offset	Mod
0x800	0
0x804	0
0x808	0
0x80C	0
0x810	0
0x814	0
0x818	0
0x81C	0
0x820	0
0x824	0
0x828	0
0x82C	0
0x830	0
0x834	0
0x838	0
0x83C	0
0x840	1
0x844	1
0x848	1
0x84C	1
0x850	1
0x854	1
0x858	1
0x85C	1
0x860	1
0x864	1
0x868	1
0x86C	1
0X870	0
0X880	0
0X884	0
0X88C	0
0X890	0
0X894	0
0X898	0

so I've created a .dts file (i took it from ... I just do not remember where I found it ). for now I'm just trying with 3 of them.

/*

* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/

*

* This program is free software; you can redistribute it and/or modify

* it under the terms of the GNU General Public License version 2 as

* published by the Free Software Foundation.

*/

/dts-v1/;

/plugin/;

/ { compatible = "ti,beaglebone", "ti,beaglebone-black";

    /* identification */

    part-number = "pinctrl-test-0";

    fragment@0 {

        target = <&am33xx_pinmux>;

        __overlay__ {

            pinctrl_test: pinctrl_test_0_pins {

                pinctrl-single,pins = <

                    0x08 0x00 /* (R8) gpmc_ad2.gpmc_ad2 */

                    0x04 0x00 /* (V7) gpmc_ad1.gpmc_ad1 */

                    0x00 0x00 /* (U7) gpmc_ad0.gpmc_ad0 */

                    /* Add more pins here*/

                >;

            };

        };

    };

    fragment@1 {

        target = <&ocp>;

        __overlay__ {

            test_helper: helper {

                compatible = "bone-pinmux-helper";

                pinctrl-names = "default";

                pinctrl-0 = <&pinctrl_test>;

                status = "okay";

            };

        };

    };

};

after compiled and copied (dtbo) into /lib/firmware, I'm trying to load it (if that is the right expression to use) at uEnv.txt

#Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0

uname_r=4.14.71-ti-r80

#uuid=

#dtb=

###U-Boot Overlays###

###Documentation: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays

###Master Enable

enable_uboot_overlays=1

###

###Overide capes with eeprom

uboot_overlay_addr0=/lib/firmware/MYDTSFILENAME.dtbo

#uboot_overlay_addr1=/lib/firmware/<file1>.dtbo

#uboot_overlay_addr2=/lib/firmware/<file2>.dtbo

#uboot_overlay_addr3=/lib/firmware/<file3>.dtbo

###

###Additional custom capes

#uboot_overlay_addr4=/lib/firmware/<file4>.dtbo

#uboot_overlay_addr5=/lib/firmware/<file5>.dtbo

#uboot_overlay_addr6=/lib/firmware/<file6>.dtbo

#uboot_overlay_addr7=/lib/firmware/<file7>.dtbo

###

###Custom Cape

#dtb_overlay=/lib/firmware/<file8>.dtbo

###

###Disable auto loading of virtual capes (emmc/video/wireless/adc)

#disable_uboot_overlay_emmc=1

#disable_uboot_overlay_video=1

#disable_uboot_overlay_audio=1

#disable_uboot_overlay_wireless=1

#disable_uboot_overlay_adc=1

###

###PRUSS OPTIONS

###pru_rproc (4.4.x-ti kernel)

#uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-4-TI-00A0.dtbo

###pru_rproc (4.14.x-ti kernel)

uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo

###pru_uio (4.4.x-ti, 4.14.x-ti & mainline/bone kernel)

#uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo

###

###Cape Universal Enable

enable_uboot_cape_universal=1

After reboot my BBB it does not boot ..... I mean, i cannot connect to it...

any idea what am I missing???

this is my version.sh

root@beaglebone:~# /opt/scripts/tools/version.sh

git:/opt/scripts/:[1aa73453b2c980b75e31e83dab7dd8b6696f10c7]

eeprom:[A335BNLT000C1837BBBG0932]

model:[TI_AM335x_BeagleBone_Black]

dogtag:[BeagleBoard.org Debian Image 2018-10-07]

bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 2018.09-00002-g0b54a51eee]:[location: dd MBR]

kernel:[4.14.71-ti-r80]

nodejs:[v6.14.4]

uboot_overlay_options:[enable_uboot_overlays=1]

uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo]

uboot_overlay_options:[enable_uboot_cape_universal=1]

pkg check: to individually upgrade run: [sudo apt install --only-upgrade <pkg>]

pkg:[bb-cape-overlays]:[4.4.20180928.0-0rcnee0~stretch+20180928]

pkg:[bb-wl18xx-firmware]:[1.20180517-0rcnee0~stretch+20180517]

pkg:[kmod]:[23-2rcnee1~stretch+20171005]

pkg:[librobotcontrol]:[1.0.3-git20181005.0-0rcnee0~stretch+20181005]

pkg:[firmware-ti-connectivity]:[20170823-1rcnee1~stretch+20180328]

groups:[debian : debian adm kmem dialout cdrom floppy audio dip video plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm eqep admin spi tisdkweston-launch xenomai]

cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 quiet]

dmesg | grep pinctrl-single

[    1.106906] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568

dmesg | grep gpio-of-helper

[    1.118793] gpio-of-helper ocp:cape-universal: ready

END

Thx in advance...